ole_database.cpp

VC数据库编程实例-ORACLE数据库VC数据库编程实例

// ole_database.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "ole_database.h"

#include "MainFrm.h"
#include "ole_databaseDoc.h"
#include "ole_databaseView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// COle_databaseApp

BEGIN_MESSAGE_MAP(COle_databaseApp, CWinApp)
	//{{AFX_MSG_MAP(COle_databaseApp)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
	// Standard file based document commands
	ON_COMMAND(ID_FILE_NEW, CWinApp::OnFileNew)
	ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
	// Standard print setup command
	ON_COMMAND(ID_FILE_PRINT_SETUP, CWinApp::OnFilePrintSetup)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COle_databaseApp construction

COle_databaseApp::COle_databaseApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only COle_databaseApp object

COle_databaseApp theApp;

/////////////////////////////////////////////////////////////////////////////
// COle_databaseApp initialization

BOOL COle_databaseApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	if(!IsGridCtrlRegistered())
	{
		if(!RegisterGridCtrl())
		{
			CString sMsg = "<MsFlxGrd.ocx>没有注册，请先注册 ";
					sMsg +="<MsFlxGrd.ocx> 然后在使用本程序!";
			AfxMessageBox(sMsg);
			return FALSE;
		}
	}
	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));

	LoadStdProfileSettings();  // Load standard INI file options (including MRU)

	// Register the application's document templates.  Document templates
	//  serve as the connection between documents, frame windows and views.

	CSingleDocTemplate* pDocTemplate;
	pDocTemplate = new CSingleDocTemplate(
		IDR_MAINFRAME,
		RUNTIME_CLASS(COle_databaseDoc),
		RUNTIME_CLASS(CMainFrame),       // main SDI frame window
		RUNTIME_CLASS(COle_databaseView));
	AddDocTemplate(pDocTemplate);

	// Parse command line for standard shell commands, DDE, file open
	CCommandLineInfo cmdInfo;
	ParseCommandLine(cmdInfo);

	// Dispatch commands specified on the command line
	if (!ProcessShellCommand(cmdInfo))
		return FALSE;

	// The one and only window has been initialized, so show and update it.
	m_pMainWnd->ShowWindow(SW_SHOW);
	m_pMainWnd->UpdateWindow();
	
	m_pMainWnd->SetWindowText("数据库工具");
	return TRUE;
}


/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
		// No message handlers
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

// App command to run the dialog
void COle_databaseApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////
// COle_databaseApp message handlers


BOOL COle_databaseApp::IsGridCtrlRegistered()
{
	bool bRet = false;
	
	CLSID clsid;
	HRESULT hr = AfxGetClassIDFromString("MSFlexGridLib.MSFlexGrid.1", &clsid);
	if(SUCCEEDED(hr))
		bRet = true;

	return bRet;
}

BOOL COle_databaseApp::RegisterGridCtrl()
{
		CString sPath;
	TCHAR lpszPath[_MAX_PATH];
	DWORD dwLength = _MAX_PATH;
	BOOL bRet = ::SearchPath(NULL, _T("MsFlxGrd.ocx"), NULL, dwLength,
		lpszPath, NULL);
	if(bRet)
	{
#ifdef _AFXDLL	
		HINSTANCE hOCX = AfxLoadLibrary(lpszPath);
		if(!hOCX)
			bRet = FALSE;
		else
		{
			if(FAILED((*(GetProcAddress(hOCX, "DllRegisterServer")))()))
			{
				TRACE("DLLRegisterServer() Failed.\n");
				bRet = false;
			}
			
			AfxFreeLibrary(hOCX);
		}
#else 
		// AfxLoadLibrary not available in the static version
		// of the MFC library
		HINSTANCE hOCX = ::LoadLibrary(lpszPath);
		if(!hOCX)
			bRet = FALSE;
		else
		{
			if(FAILED((*(GetProcAddress(hOCX, "DllRegisterServer")))()))
			{
				TRACE("DLLRegisterServer() Failed.\n");
				bRet = false;
			}
			
			::FreeLibrary(hOCX);
		}
#endif
	}

	return bRet;
}